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Finding the Fourth Proportional to 11,694.86, 17,530.04 and 5,449.72

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Solution

The fourth proportional to 11,694.86, 17,530.04 and 5,449.72 is: 8,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.86 : 17,530.04 = 5,449.72 : x
  2. Step 2: Convert to fraction form
    11,694.86/17,530.04 = 5,449.72/x
  3. Step 3: Cross multiply
    11,694.86x = 17,530.04 × 5,449.72
  4. Step 4: Simplify right side
    11,694.86x = 95,533,782.34
  5. Step 5: Solve for x
    x = 95,533,782.34/11,694.86
  6. Step 6: Final answer
    x = 8,168.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.